A.中拱,0.05 B.中垂,0.05 C.中拱,0.10 D.中垂,0.10
A.縱向強度 B.橫向強度 C.扭轉(zhuǎn)強度 D.局部強度
A.實際總排水量 B.最大排水量 C.圍蔽處所容積 D.貨艙艙容